CVE-2020-14993

PoC —

CVSS 3.1

9.8 critical

EPSS

5%p92

Published

Jun 23, 2020 (Jun 23, 2020)

Modified

Jun 17, 2026

Description

A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.

Vendors: draytek
Products: vigor300b firmware, vigor2960 firmware, vigor3900 firmware
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (5.3%)

In the news0 stories

No ingested article mentions this CVE yet.